Generator frame



FIG. 1 is a left side perspective view of a generator frame showing my new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines showing represents unclaimed subject matter and forms no part of the claimed design 

The ornamental design for a generator frame, as shown and described. 